$ git clone -n https://gitee.com/src-opencloudos-rpms/python-aiosmtpd.git /var/lib/mock/dist-oc9-epol-build-55053-14778/root/chroot_tmpdir/scmroot/python-aiosmtpd
Cloning into '/var/lib/mock/dist-oc9-epol-build-55053-14778/root/chroot_tmpdir/scmroot/python-aiosmtpd'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-aiosmtpd
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fcfb7e7 import python-aiosmtpd-1.4.4-2.tl4